2384729 has 2 divisors, whose sum is σ = 2384730. Its totient is φ = 2384728.

The previous prime is 2384713. The next prime is 2384749. The reversal of 2384729 is 9274832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1261129 + 1123600 = 1123^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 2384729 - 2⁴ = 2384713 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 3⁸ + 8 + 4⁹ + 7⁵ + 2²¹ + 9 .

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2384749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192364 + 1192365.

It is an arithmetic number, because the mean of its divisors is an integer number (1192365).

2^2384729 is an apocalyptic number.

It is an amenable number.

2384729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2384729 is an equidigital number, since it uses as much as digits as its factorization.

2384729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 2384729 is about 1544.2567791660. The cubic root of 2384729 is about 133.6020158480.

It can be divided in two parts, 2384 and 729, that added together give a palindrome (3113).

The spelling of 2384729 in words is "two million, three hundred eighty-four thousand, seven hundred twenty-nine".